5306-14-417-6930 BOLT,CLOSE TOLERANCE Index 5306-14-417-6932 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-14-417-6931

Federal Supply Class:
5306

National Item Identification Number:
144176931

Description:
BOLT,CLOSE TOLERANCE

Detail:
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.


Manufacturer Information:
22138TK050013XAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
22138TK050013XAF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
22138TK050013XAF0236SAINT CHAMOND GRANAT SA
22138TK050013XAF0434ALIGN AEROSPACE FRANCE SAS
L22138-50-13TKXAF0111BUREAU NORMALISATION AERONAUTIQUEESPACE


Techincal Specification:
WIDTH BETWEEN FLATS8.0 MILLIMETERS NOMINAL
SURFACE FINISH0.8 MICROMETERS BEARING SURFACE OF HEAD
SURFACE FINISH0.8 MICROMETERS GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE XA NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL AND VARNISH OVERALL AND DISULFIDE MOLYBDENUM OVERALL
TEST DATA DOCUMENTF3025-AIR 9185 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD FORMING METHODROLLED
THREAD LENGTH9.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.8
EXTERNAL THREAD TOLERANCE CLASS2
FASTENER LENGTH13.0 MILLIMETERS NOMINAL
GRIP DIAMETER4.978 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM
GRIP LENGTH4.0 MILLIMETERS NOMINAL
HEAD HEIGHT3.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9184 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY T-A6V OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS


Click here to Register for Free 30-day Trial